<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>请选择你喜欢的专栏</title>
</head>
<body>
  <div id="app">
    <h3>请选择你喜欢的专栏</h3>
    <label v-for="(item,index) in list" :key="index">
      <input type="checkbox" :value="item" v-model="arr" />{{item}}
    </label>
    <ul>
      <li v-for="(item,index) in arr" :key="index">{{item}}</li>
    </ul>
  </div>
</body>

</html>
<script src="../js/vue.js"></script>
<script>
  new Vue({
    el: "#app",
    data: {
      arr: [],
      list: ["科幻", "喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"],
    }
  });
</script>